Air pollution is a well-known risk factor for respiratory diseases such as asthma and chronic obstructive pulmonary disease ...

Air pollution is a well-known risk factor for respiratory diseases such as asthma and chronic obstructive pulmonary disease (COPD).

Pneumonia is a lung infection caused by bacteria, viruses, fungi, or tuberculosis. Symptoms include fever, cough, chest pain, ...

Kolkata has experienced a severe outbreak of cough and cold, affecting thousands with sore throats and temporary voice loss.